. >> there's trees, rocks, cliffs, a very dangerous environment. >> reporter: so far searchers have come up empty, but they hope he's stuck in a tree or lost and waiting to be found. clayton sandell, abc news, denver. >> clayton, thanks to you tonight. >>> we'll move on to the biggest headline in sports right now. alabama and notre dame, the bcs championship. and the audience will be as giant as the game. "good morning america's" josh elliott is there. ♪ >> reporter: it's the super bowl of college games, a national championship arguably as anticipated as any in the sport's history. >> to be the best, you've got to beat the best. >> reporter: number two alabama playing for their second straight national title and what would be its third in four years. and so a dynasty in the making. >> to win another one, oh, man, it speaks highly of our program and what we do around here. >> reporter: standing in their way? a resurgent and unbeaten notre dame, looking for its first national title in a quarter century. >> it would be a good time for us to win this championship. >> reporter: the fighting